490002520 has 32 divisors (see below), whose sum is σ = 1260007200. Its totient is φ = 168000768.

The previous prime is 490002497. The next prime is 490002547. The reversal of 490002520 is 25200094.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 490002491 and 490002500.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 874725 + ... + 875284.

It is an arithmetic number, because the mean of its divisors is an integer number (39375225).

Almost surely, 2^490002520 is an apocalyptic number.

490002520 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

490002520 is an abundant number, since it is smaller than the sum of its proper divisors (770004680).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

490002520 is a wasteful number, since it uses less digits than its factorization.

490002520 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1750027 (or 1750023 counting only the distinct ones).

The product of its (nonzero) digits is 720, while the sum is 22.

The square root of 490002520 is about 22136.0005421034. Note that the first 3 decimals coincide. The cubic root of 490002520 is about 788.3748678057.

The spelling of 490002520 in words is "four hundred ninety million, two thousand, five hundred twenty".